#66E444 Color
#66E444 is rgb(102, 228, 68) in RGB and hsl(107, 75%, 58%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#66E444
HEX
#66E444RGB
rgb(102, 228, 68)HSL
hsl(107, 75%, 58%)HSV
hsv(107, 70%, 89%)OKLCH
oklch(81.7% 0.226 139.8)CMYK
cmyk(55%, 0%, 70%, 11%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66E444 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.65:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text12.75:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66E444 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66E444, useful for hover states, backgrounds, and text variants.